Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army"; "Contour interval 20 feet"; "Surveyed in 1926-1927"; Shows roadway...

A list of geographical atlases ; p. 432, no. 724.; Relief shown by hachures. Also published in: Pinkerton, John. A modern atlas.; London : printed by T. Bensley for T. Cadell and W. Davies and Longman,...

Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army"; "Surveyed in 1931-1932"; "Contour interval 10 feet"; Shows roadway...

Relief shown pictorially.; Prime meridian: London and Philadelphia.; Includes text, list of townships, distance charts, and inset "A sketch of the remaining part of Ohio R. &c."; Accompanied by the author's:...

Relief shown by contours and spot heights.; "Surveyed in 1931 and 1934"; "Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army."; "Contour intervals 10 and 20 feet...